highly significantp < 0.01
Combined with the results of the correlation analysis in Table 2 , the amount of yeast added had a significant effect on the three factors of total sugar, vitamin C, and flavonoids in the wine samples, with highly significant negative correlations with total sugar ( p < 0.01), significant positive correlations with vitamin C ( p < 0.05), and highly significant positive correlations with flavonoids ( p < 0.01). 3.7.